/usr/share/xfce4/dev-tools/m4macros/xdt-python.m4 is in xfce4-dev-tools 4.10.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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dnl
dnl Copyright (c) 2002-2006
dnl The Xfce development team. All rights reserved.
dnl
dnl Written for Xfce by Benedikt Meurer <benny@xfce.org>.
dnl
dnl This program is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 2 of the License, or
dnl (at your option) any later version.
dnl
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
dnl GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License along
dnl with this program; if not, write to the Free Software Foundation, Inc.,
dnl 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
dnl
dnl xdt-python
dnl ----------
dnl Miscellanous Python related autoconf checks. Based on prior
dnl work by the Python community.
dnl
dnl XDT_CHECK_PYTHON_HEADERS([ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
dnl
dnl Checks if the target system has the ability to create Python
dnl extensions, that is, if all required Python headers are found.
dnl Executes ACTION-IF-FOUND if all required headers are found, else
dnl ACTION-IF-NOT-FOUND.
dnl
dnl In addition, this macro defines (and substitutes) PYTHON_INCLUDES
dnl with the required C preprocessor flags to find the python headers.
dnl
AC_DEFUN([XDT_CHECK_PYTHON_HEADERS],
[
dnl check for Python interpreter first
AC_REQUIRE([AM_PATH_PYTHON])
AC_MSG_CHECKING([for headers required to compile python extensions])
dnl the PYTHON_INCLUDES first
xdt_python_PREFIX=`${PYTHON} -c "import sys; print sys.prefix"`
xdt_python_EPREFIX=`${PYTHON} -c "import sys; print sys.exec_prefix"`
xdt_python_OSNAME=`${PYTHON} -c "import os; print os.name"`
case "${xdt_python_OSNAME}" in
nt)
xdt_python_INCLUDES="include"
;;
*)
xdt_python_INCLUDES="include/python${PYTHON_VERSION}"
;;
esac
PYTHON_INCLUDES="-I${xdt_python_PREFIX}/${xdt_python_INCLUDES}"
if test x"${xdt_python_EPREFIX}" != x"${xdt_python_PREFIX}"; then
PYTHON_INCLUDES="${PYTHON_INCLUDES} -I${xdt_python_EPREFIX}/${xdt_python_INCLUDES}"
fi
AC_SUBST([PYTHON_INCLUDES])
dnl now check if the headers exists
save_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS ${PYTHON_INCLUDES}"
AC_TRY_CPP([#include <Python.h>],
[
AC_MSG_RESULT([found])
$1
],
[
AC_MSG_RESULT([not found])
$2
])
CPPFLAGS="$save_CPPFLAGS"
])
dnl vim:set ts=2 sw=2 et ai:
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